CarpetX: a Cactus driver for the Einstein Toolkit based on AMReX

Z4c: Remove hack that avoids using Gamt

Created by  Erik Schnetter  on April 3, 2020
IOSBIN6PNVPSQD4M7BYH3KETQJMBZVNXW4L7FS5KH3LW7X3DOLLQC
Change contents